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Diffstat (limited to 'src/libs/engine/JackMidiDriver.hpp')
-rw-r--r-- | src/libs/engine/JackMidiDriver.hpp | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/src/libs/engine/JackMidiDriver.hpp b/src/libs/engine/JackMidiDriver.hpp new file mode 100644 index 00000000..631f0d28 --- /dev/null +++ b/src/libs/engine/JackMidiDriver.hpp @@ -0,0 +1,112 @@ +/* This file is part of Ingen. + * Copyright (C) 2007 Dave Robillard <http://drobilla.net> + * + * Ingen is free software; you can redistribute it and/or modify it under the + * terms of the GNU General Public License as published by the Free Software + * Foundation; either version 2 of the License, or (at your option) any later + * version. + * + * Ingen is distributed in the hope that it will be useful, but WITHOUT ANY + * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS + * FOR A PARTICULAR PURPOSE. See the GNU General Public License for details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef JACKMIDIDRIVER_H +#define JACKMIDIDRIVER_H + +#include <jack/jack.h> +#include <jack/midiport.h> +#include <raul/List.hpp> +#include "../../../../config/config.h" +#include "MidiDriver.hpp" + +namespace Ingen { + +class Node; +class SetPortValueEvent; +class JackMidiDriver; +class DuplexPort; + + +/** Representation of an JACK MIDI port. + * + * \ingroup engine + */ +class JackMidiPort : public DriverPort, public Raul::ListNode<JackMidiPort*> +{ +public: + JackMidiPort(JackMidiDriver* driver, DuplexPort* port); + virtual ~JackMidiPort(); + + void prepare_block(const SampleCount block_start, const SampleCount block_end); + + void set_name(const std::string& name) { jack_port_set_name(_jack_port, name.c_str()); }; + + DuplexPort* patch_port() const { return _patch_port; } + +private: + JackMidiDriver* _driver; + jack_port_t* _jack_port; + DuplexPort* _patch_port; +}; + + +/** Jack MIDI driver. + * + * This driver reads Jack MIDI events and dispatches them to the appropriate + * JackMidiPort for processing. + * + * \ingroup engine + */ +class JackMidiDriver : public MidiDriver +{ +public: + JackMidiDriver(jack_client_t* client); + ~JackMidiDriver(); + + void activate(); + void deactivate(); + void enable() { _is_enabled = true; } + void disable() { _is_enabled = false; } + + bool is_activated() const { return _is_activated; } + bool is_enabled() const { return _is_enabled; } + + void prepare_block(const SampleCount block_start, const SampleCount block_end); + + JackMidiPort* create_port(DuplexPort* patch_port) + { return new JackMidiPort(this, patch_port); } + + void add_port(DriverPort* port); + DriverPort* remove_port(const Raul::Path& path); + + jack_client_t* jack_client() { return _client; } + +private: + Raul::List<JackMidiPort*> _in_ports; + Raul::List<JackMidiPort*> _out_ports; + + friend class JackMidiPort; + + void add_output(Raul::ListNode<JackMidiPort*>* port); + Raul::ListNode<JackMidiPort*>* remove_output(JackMidiPort* port); + + // MIDI thread + static void* process_midi_in(void* me); + + jack_client_t* _client; + pthread_t _process_thread; + bool _is_activated; + bool _is_enabled; + static bool _midi_thread_exit_flag; +}; + + +} // namespace Ingen + + +#endif // JACKMIDIDRIVER_H |